Since Chuck ended a couple years ago, Zachary Levi has kept himself busy running The Nerd Machine, a company devoted to all-things-nerdly. Nerd Machine is currently planning the fourth year of Nerd HQ, the annual event held across the street from the San Diego Comic-Con which hosts sitdowns with geek luminaries. (A couple years ago, I saw the Nerd HQ talk with Damon Lindelof and Seth Grahame-Smith, and learned more than I ever wanted to about the travails of blockbuster screenwriters in Hollywood.)

Nerd HQ has raised over $400k for Operation Smile, and has also provided a nice counterbalance to the rapid overcrowding inside the San Diego Convention Center. Because Levi wants to keep Nerd HQ free, the actor and Nerd Machine are currently running the “I Want My Nerd HQ 2014” crowdfunding campaign. (You can learn more about it here.)

But when we heard that Levi was swinging by the EW office, we thought it’d be a great opportunity to test him. Sure, he played Fandral the Dashing in Thor: The Dark World. He can walk the nerd walk. But can he talk the nerd talk? Hence, the first-ever edition of Geek vs. Nerd, a trivia game show.

He and I both came up with several questions rooted in High Nerd categories like Star Wars and Game of Thrones. At stake? Bragging rights. Our honor. And the much-desired Silver Stormtrooper award. Check out what happened in the video below:

And as a special bonus, at one point in the game, I asked Zachary Levi a simply-yet-impossible question: “What happens in The Dark Crystal?” This was his full, uncut response: